body,p,h3{
    padding:0;
    margin:0;
}
.popup{
    min-width:200px;
    padding:15px;
    line-height:24px;
    font-size:14px;
    border:1px solid #999;
    border-radius:4px;
    margin:10px;
}
.popup h3{
    font-size:16px;
    margin:6px 0 0 0;
}